6
SI-EtherCAT User Guide
Issue Number: 2
1.4
Environmental limits
Instructions regarding transport, storage, installation and use of the drive must be complied with,
including the specified environmental limits. Drives must not be subjected to excessive physical
force.
1.5
Compliance with regulations
The installer is responsible for complying with all relevant regulations, such as national wiring
regulations, accident prevention regulations and electromagnetic compatibility (EMC) regulations.
Particular attention must be given to the cross-sectional areas of conductors, the selection of fuses
or other protection, and protective ground (earth) connections.
For instructions in achieving compliance with specific EMC standards, please refer to the relevant
drive user guide.
Within the European Union, all machinery in which this product is used, must comply with the
directives stated in the relevant drive user guide.
1.6
Motor
Ensure the motor is installed in accordance with the manufacturer’s recommendations. Ensure the
motor shaft is not exposed.
Standard squirrel cage induction motors are designed for single speed operation. If it is intended to
use the capability of the drive to run a motor at speeds above its designed maximum, it is strongly
recommended that the manufacturer is consulted first.
Low speeds may cause the motor to overheat because the cooling fan becomes less effective. The
motor should be installed with a protection thermistor. If necessary, an electric forced vent fan
should be used.
The values of the motor parameters set in the drive affect the protection of the motor. The default
values in the drive should not be relied upon.
It is essential that the correct value is entered in the motor rated current parameter Pr
00.046
, as
this affects the thermal protection of the motor.
1.7
Adjusting parameters
Some parameters have a profound effect on the operation of the drive. They must not be altered
without careful consideration of the impact on the controlled system. Measures must be taken to
prevent unwanted changes due to error or tampering.
1.8
Electrical installation
1.8.1
Electric shock risk
The voltages present in the following locations can cause severe electric shock and may be lethal:
•
AC supply cables and connections
•
Output cables and connections
•
Many internal parts of the drive, and external option units
Unless otherwise indicated, control terminals are single insulated and must not be touched.
1.8.2
Stored charge
The drive contains capacitors that remain charged to a potentially lethal voltage after the AC supply
has been disconnected. If the drive has been energized, the AC supply must be isolated at least
ten minutes before work may continue.
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